Agora RTM Web API Reference

Common failure. The attribute operation fails.

The argument that you put for this attribute operation is invalid. For example, you cannot set a user or channel attribute as "".

4: The attribute size exceeds the limit.

• For user attribute operations: The user's overall attribute size would exceed the limit of 16 KB, one of the user's attributes would exceeds 8 KB in size, or the number of this user's attributes would exceed 32 after this attribute operation.
• For channel attribute operations: The channel's overall attribute size would exceed the limit of 32 KB, one of the channel attributes would exceed 8 KB in size, or the number of this channel's attributes would exceed 32 after this attribute operation.

A timeout occurs during the attribute operation. The current timeout is set as five seconds. The current login timeout is set as six seconds. Possible reasons: The user is in the ABORTED or RECONNECTING state.

5: The method call frequency exceeds the limit.

• For setLocalUserAttributes, addOrUpdateLocalUserAttributes, deleteLocalUserAttributesByKeys, and clearLocalUserAttributes taken together: the limit is 10 queries every five seconds.
• For getUserAttributes and getUserAttributesByKeys taken together, the limit is 40 queries every five seconds.
• For setChannelAttributes, addOrUpdateChannelAttributes, deleteChannelAttributesByKeys, and clearChannelAttributes taken together: the limit is 10 queries every five seconds.
• For getChannelAttributes and getChannelAttributesByKeys taken together, the limit is 10 queries every five seconds.

The specified user is not found, either because the user is offline or because the user does not exist.

The user does not call the login method, or the method call of login does not succeed before the attribute operation.